Distance-control apparatus for translating devices.



B. SGHATTNER.

DISTANCE CONTROL APPARATUS r011 TBANSLATING nnvmns.

APPLIOA'I'IOI TILED AUG. 6, 1906.

904,810. Patented Nov. 24, 1908.

Fig. 1.

Witnesses: l a lnvenifor:

Er e845 Schnttner, by

big

UNITED STATES PATENT ()FFIOE.

ERNEST SGHATTNER,

OF LONDON, ENGLAND,

ASSIGNOB TO GENERAL ELEGTR IO COMPANY,

A. CORPORATION OF NEW YORK.

time of Lotion Patent.

Patented Nov. 24, won.

Application m aw a, 1m. ma! 1'0. was.

To all whmn it may com-em:

Be it known that I, Emans'r Somrrmnn, a subject of the King of GreatBritain, residin at London, England, have invented certam new and useful1m rovements in Distance-Control A paratus r Translatin Devices, ofwhich t e following is a spec cation. V

This invention relates to distance control of electric switches on acircuit containing electric translating devices. In systems of this kindas commonly iary wire or wires ifcarried from the point of control tothe nei borhood of the trans- Iating devices, in w 'ch is interpolatedthe electro-magnetic or other means for operatthe switch. My system isdesigned to dispense with such an auxiliar wire and permit of control bythe use of t' e same circuit which supplies the translating devices. Asystem of t is kind is of practical value over a considerable range of alication in which it is necessa or desire. e to throw the switch atdeterminate times either for the on the station, in whic u use of cuttinevices su plied other resu t aimed at, at or near the switch. Forexample, in arc lighting'circuits it is sometimes desired to cut in andout certain lam at special hours permitting a su' ply station to re atethe ours during wine the lamp or amps may be burned, or in incandescentlighting it is desired to change the recording rate of an electric meteron. a cemsumers premises so that the customer may be g ven an incentiveto use current more free 5 during the period of light load it case it isusual to two-rate meters which recording during hours in or out thetranslating em 'loy multi is or have; a slow riite of of the day whenthere is no great call for (mi-rent, and a fast rate at night.

To about the change in the "meter 11; is common to throw a switch at theconsumerestatinn-which in one position determines'a slow rate. ofrecording, and in the other a ad: ratfi; and; heretofore this switchcontrol asbeenefl'ected eitherby image of a clock penodlcellywound and oeratively related to the mtchmgdevice 'a the consnmers or controlled anauxilthe circuit or for some.

to use a separate control? ,tion and including some form of magnetcontrol at the consumers premises. accomplish such distance controlWithout using a separate wire by passing a vibrato cur- 1 rent over thesame wires which supp y the translating devices, it may be for onestation or for an entire distribution system, and by installing at thediilerent stations harmonic apparatus which may be thrown intosympathetic vibration by electric waves or pglses sent out from t esupply station. e particular form of harmonic a paratus I employ isexceedingly simple and reliable, and consists of a pair of tuned reedsor springs at each distributing point and electro-magnetic means forthrowing either at will into resonant sent out from the supply station.Eit er of the reeds at any distributing ipoint may be thrown into.vibration' at wi cm the sup-v ply station by means of such a superposedcurrent, and when so excited closes a local circuit includinga device,preferably electro-magnetic, which operates a switch, clutch or otherdevice which governs the operation of the controlled apparatus.

I am aware that a similar mode of control has been heretofore proposed,with other means of responding to t e superposed 1mpulses, but the apfl'ect a practical result in character and much cheaper to install.

The novel features will be hereinafter definitely set forth in theclaims.

In the accom grammatically illustrates my invention, FLg-' ure 1 is adiagram of a system embodying my improvements as applied to a two-rateelectric meter. The application to other devices will be similar incharacter, and need not be "modifie form of resonant device.

1. and 2 represent a pair of bus-bars at a su 1y station.

' improvements are apglicable either to a d t-current system 0distribution or an alternating-current system.

3 represents an alternatin current inotorenerator,,tliefield-stre ofwhich "may varied by a variable fie d rheostat 4-. any consumerspremises is placed a switch aratus necessary to e extending fi' m thecurrent-supply sta- "or its equivalent vibration by im ulses 1 'y mysystem are difierent.

(particularly described. Flg. 2 is a panying drawing, which dia- 5 bywhich the desired device is to be controlled. This device, as shown inthe diagram, is a two-rate electric meter, indicated at 6, the fieldcoils of which are in series relation to a group of lamps 7 onthe'consumers premises, and the armature of which may have its potentialchangedtric impulses corresponding to its rate of vibration pass over te line tween the supply station or other control point and the point oftheir installation. In Fig. 1 these reeds are mounted on an iron core 11around which is a wire coil supplied from a distribution circuit' Thesystem shown being an alternating-current system, I have re resented atransformer 12 as a means of rnishing energy to the ma et from the maincircuit. 12", sup lies the meter and lighting currents. A suitableresistance 13 should be included in the ma et circuit to reduce the enery flow or ot er suitable means of accomplis in this result may beprovided.

en it is desired to efi'ect a change, that -is to say, when the load onthe circuit becomes such as to render a diflerent recording rate of themeter desirable, the generator is raised slightly in speed or lowered ins eed according y as it is desired to change om a fast to a low rate orfrom a slow to a fast rate. A small percentage of variation in the rateof the alternating-current is found to be suflicient to render reliablethe operation of the resonance a aratus. Thus, i the normal periodicit ot e circuit is 60, one spring may be tun to a resonant vibration rate of58 and the other to 62. This is depicted in the drawin by showing one sring as of less length t an the other. At t e time the change is desiredthe generator is speeded up by means of a field rheostat or, on theother hand, lowered from the normal rate, 60 to 58 or 62 respectively-a-cha e which does not in an substantial de rec ififect the translatinevices but whic is on the other hand, su cient to create a violentagitation of the articular reed corresponding to the altere rate. If,for example, the

generator were lowered in speed so as to give a periodicity of 58 thenthe: longer spring 10 would be'thrown into vibration and wouldmakmrepeated contact on the contact block '14 closing a circuit at eachcompleteoscillation throu h the magnet 9, thereby pulling the switc tothe position A similar trans ormer, indicated at r indicated in thedrawing and closin a circuit through the mercu cup Q an operati themeter at a high, recording rate. Simi arly if a change to a higher ratewere desired, the field of the generator would be adjusted to aeriodicity of .62, thereby throwing into vi ration the reed 10 and enerizing the magnet 9 which in turn would shift the switch and cut inresistance to the potential circuit of the meter, thereby slowin itdown.

n Fig. 2 I have shown a slightly modified resonance device in which theelectro-magnet which throws the rod into vibration acts on an (ills-onsupport or armature 15 carrying the ree My invention may be embodied inman other forms than that shown and described and is not restricted tothe precise arran ement disclosed, and the claims are inten ed to coverall changes and modifications within the spirit and scope of myinvention.

What I claim as new, and desire to secure by Letters Patent of theUnited States, is,-

1. The combination'of an electric circuit, translating devices therein,and means for controlling the operation of the translating devicescomprising a plurality of reeds tune to difi'erent vibration rates, anelectro-magnetic device in circuit adapted to operate on the reeds, anda generator at a point distant from the translating-devices for on thecircuit rates of electric vibration correspondingio the rates of theseveral reeds.

2. The combination of a distribution circuit, translating devices, and aresonant device (governing the operation of thetranslatmg ferently tunedreeds and a common electromagnetic device adapted' to operate any reedby im ilses derived from the supply circuit.

3. 'Fhe combination of a system of distribution, translating devices soplied thereby, a switch governing the tr two reeds tuned to difierentitc'hes, a loca circuit governing netic means deriving energy from thesup y circuit operating on thereeds, and means or transmitting currentsover the sup ly circuit havin a rate corresponding to ei er reed.

ter connected to a supply circuit, of means responsive to currents ofdifierent frequency in said circuit arranged to set said meter toregister at a rate corremligtnding to the freq uen'cy of the currentflowing in said circuit, and means for producing currents of dilferentfreuency in said circuit.

5. The comb ation of a system of distribution, translating devicessupplied thereby,

responding to'difierent rates, of vibration electro-magnetic 'de 'cesoperatively related ating devices the switc electro-ma L 4. hecombination of a multiple rate. me-

means for governing the o eration of the translating devices compris gtuned reeds t0 the several reeds and energized from said In witnesswhereof, I have hereunto set syfitegi, a gemirator of elefitrifi:impililsez my hand this 20 day of July, 1906. w 1c very in requency witt e spee 0 the generator connected to said system at a ERNEST SCHATTNER5 point distant from the translatin devices, Witnesses:

and means for varying the speed 0 the gen- H. D. JAMEBON, erator. R. F.WILLIAMS.

